torque AUDI A4 1996 B5 / 1.G Brakes Read Mesure Value Block Workshop Manual

01-66

Note:
The display group numbers can be selected in
sequence by pressing buttons <-1 and 3-> on the
VAG1551 scan tool, or the arrow buttons and
on the VAG1552 mobile scan tool.
- Press -C- button to input display group number
manually. Read measurin
g value block
Enter displa
y group number XXX

Indicated on display:
Note:
For display group 3 (005):
To read the display fields for engine speed and current engine torque
with the engine running, communication between the scan tool and
the control module must be terminated via the "End Output" function
page 01
-16
. Start the engine and reinitiate communication
between the scan tool and the control module.
- Press buttons -0- and -8- to select "Read measuring value block"
function 08.
- Press -Q- button to confirm input.
- Press buttons -0-, -0- and -3-.
- Press -Q- button to confirm input.
Pa
ge 8 of 79 Read Measurin
g Value Block
(function 08
)
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01-67
Test table: display group 3 Read measuring value block
3
Indicated on display
60 to
8000
1 RPM 0 to
100
%
0 or 1
---


Traction control (ASR) button: (Only for vehicles equipped with ASR)

0 Traction control button not operated. 1 The traction control button is operated, operational condition of ASR alternates, i.e. "ASR
OFF" and "ASR ON". When ASR is switched off via the traction control button, the warning lamp for ASR lights up.
- Check traction control button if there are deviations. Carry out "Electrical test", step 22 page 01
-
68
.

Actual engine torque (AET): (Only for vehicles equipped with ASR)
0% vehicle is in deceleration mode.20% - 30% represents engine idle.100% engine is offering its maximum torque.
- If no indication is displayed, proceed according to DTC 00647 "ABS-ASR engine electrical connection 2". DTC
table page 01
-98
.
Engine speed: (Only for vehicles equipped with ASR)

Engine speed is displayed in increments of 60 RPM, starting at 60 RPM.
Pa
ge 9 of 79 Read Measurin
g Value Block
(function 08
)
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-73

Terminal
Wire connection to component ...
18
Engine Control Module (ECM); MMD signal (Masked Misfire Diagnostic)
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR, the SET signal (Specified Engine Torque) is
also transmitted via this wiring harness.
19
Hydraulic unit; control wire for ABS return flow pump -V39- 20
Engine Control Module (ECM); Engine RPM
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR
25
Hydraulic unit; Left rear ABS outlet valve -N136- 26
Hydraulic unit; Right front ABS outlet valve -N100- 27
Hydraulic unit; right front traction control outlet valve -N167- (primary piston circuit) 28
Ground (GND) terminal 31 (ABS control module -J104-) 29
Ground (GND) terminal 31 (ABS control module -J104-) 31
Instrument cluster; activation of traction control indicator light
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR
32
Instrument cluster; ABS/EDL warning light activation (active) 33
Hydraulic unit; Left front ABS outlet valve -N102- 34
Hydraulic unit; Right rear ABS outlet valve -N135- 35
Left front ABS wheel speed sensor -G47-
for vehicles with All Wheel Drive (AWD) and ABS/EDL
Pa
ge 17 of 79 Read Measurin
g Value Block
(function 08
)
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e=re
pair&id=AUDI.B5.SU02.01.8

01-74

Terminal
Wire connection to component ...
37
Hydraulic unit; activation of ABS solenoid valve relay -J106- 38
Right rear ABS wheel speed sensor -G44- 42
Right front ABS wheel speed sensor -G45-
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR for vehicles with All Wheel Drive (AWD) and ABS/EDL (throttle valve regulation)
44
Traction control (ASR) button
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR
45
TI (Transmission Influence)
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR
46
K-wire 47
Engine Control Module (ECM); AET (Actual Engine Torque)
for vehicles with Front Wheel Drive (FWD) and ABS/EDL/ASR
47
Brake light switch -F-
for vehicles with All Wheel Drive (AWD) and ABS/EDL
48
Brake light switch -F- 50
Battery + (terminal 30) 53
Hydraulic unit; left rear ABS inlet valve -N134-
Pa
ge 19 of 79 Read Measurin
g Value Block
(function 08
)
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e=re
pair&id=AUDI.B5.SU02.01.8

01-116

Output on printer of VAG1551 Scan
Tool (ST) Possible cause
Corrective action
DTC

00646
ABS-ASR motor electrical connection 1
Open circuit or short circuit to B+ or Ground
(GND) in wiring between ABS control module
-J104- terminal 18 and Engine Control
Module (ECM).
Electrical Wiring
Diagrams, Troubleshooting &
Component Locations - Locate and repair open
circuit or short circuit.
Note:
The following signals are sent from the
ABS control module (w/EDL) -J104- to the
Engine Control Module (ECM) via this
connection:

MMD signal (Masked Misfire
Diagnostic) for On Board Diagnostic
(OBD)
SET signal (Specified Engine Torque)




ABS control module -J104- malfunctioningEngine Control Module (ECM)
malfunctioning.



- Replace ABS control
module (w/EDL) -J104-.
- Replace Engine Control
Module (ECM).
Pa
ge 75 of 79 Read Measurin
g Value Block
(function 08
)
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yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-117

Output on printer of VAG1551 Scan
Tool (ST) Possible cause
Corrective action
DTC

00647
ABS-ASR motor electrical connection 2
Open circuit or short circuit to B+ or Ground
(GND) in wiring between ABS control module -
J104- terminal 47 and Engine Control Module
(ECM).
Electrical Wiring Diagrams,
Troubleshooting &
Component Locations - "Read measuring value
block", display group 3
page 01
-67
.
- Locate and repair open
circuit or short circuit.
Note:
The following signal is sent from the
Engine Control Module (ECM) to the
ABS control module (w/EDL) -J104- via
this connection:

AET signal (Actual Engine Torque)





Engine Control Module (ECM) malfunctioning.





- Replace Engine Control
Module (ECM).
Pa
ge 76 of 79 Read Measurin
g Value Block
(function 08
)
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01-119

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC

00761
DTC stored in Engine
Control Module (ECM)

This malfunction only
occurs if vehicle is
equipped with ASR.
A DTC was stored in the Engine
Control Module (ECM). The Engine
Control Module (ECM) is not able to
reduce engine torque. - Repair the engine management malfunction using
the appropriate engine repair manual and erase
DTC memory of the Engine Control Module (ECM).
65535
Control module
malfunctioning ABS control module -J104-
malfunctioning
Note:
Do not erase DTC memory in this case. The data
stored in the DTC memory provides information
about the cause of the malfunction. This information
helps to continually improve the product. - Replace ABS control module (w/EDL) -J104-.
Pa
ge 79 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8